8.15. Decorator Recap¶

By type:

Decorator Function

Decorator Method

Decorator Class

By decorated object:

Decorating function

Decorating class

Decorating method

By wrapper type:

Wrapper function

Wrapper class

Wrapper method

By number of arguments:

Without arguments

With arguments

8.15.1. Function Decorators with Function Wrappers¶

>>> def mydecorator(func):
...     def wrapper(*args, **kwargs):
...         return func(*args, **kwargs)
...     return wrapper

>>> def mydecorator(method):
...     def wrapper(instance, *args, **kwargs):
...         return method(instance, *args, **kwargs)
...     return wrapper

>>> def mydecorator(cls):
...     def wrapper(*args, **kwargs):
...         return cls(*args, **kwargs)
...     return wrapper

8.15.2. Function Decorators with Class Wrappers¶

>>> def mydecorator(func):
...     class Wrapper:
...         ...
...     return Wrapper

>>> def mydecorator(method):
...     class Wrapper:
...         ...
...     return Wrapper

>>> def mydecorator(cls):
...     class Wrapper(cls):
...         ...
...     return Wrapper

8.15.3. Class Decorators¶

>>> class MyDecorator:
...     def __init__(self, func):
...         self._func = func
...
...     def __call__(self, *args, **kwargs):
...         ...

>>> class MyDecorator:
...     def __init__(self, method):
...         self._method = method
...
...     def __call__(self, *args, **kwargs):
...         ...

>>> class MyDecorator:
...     def __init__(self, cls):
...         self._cls = cls
...
...     def __call__(self, *args, **kwargs):
...         ...